Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electric power supply device for producing a plurality of voltages and apparatus comprising such a device

Electric power supply device for producing a plurality of voltages and apparatus comprising such a device

US Patent 5977657 · Granted Nov 2, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Image handling system and method2001
Printed circuit board having wire clamps for securing component leads2000
Flat accumulator device having an electrochemical cell and electrical contacts2000
Accumulator device for an electrical and/or electronic apparatus and telecommuni2000
Sealed casing for containing an electric accumulator2000
Flat battery element having curved contacts2000
Accumulator device for an electric and/or electronic apparatus having a curved s2000
Battery-operated device and battery unit1999
Flat accumulator device having an electrochemical cell and electrical contacts1999
Foldable cordless telephone functioning in an upright position when folded1999
DC to DC power converter including synchronous output rectifier circuit1999
Thin card including a flat battery and contact means1999